Soyuz-U | Soyuz 35
Successful Launch
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April 9, 1980, 1:38 p.m.
Instantaneous launch window.
Instantaneous launch window.
Soyuz 35 was the eighth mission to visit the Salyut 6 space station and carried the EO-4 expedition, which was the fourth long-duration crew for the station. The mission began on April 9, 1980, 13:38:22 UTC, launching Commander Leonid Popov and Research Cosmonaut/Flight Engineer Valery Ryumin into orbit. They docked with the station the next day. During their 186-day stay on the station, EO-4 crew conducted various scientific experiments, some repairs and replacements to the station and were visited by three uncrewed Progress cargo spacecrafts and 4 crewed Soyuz vehicles. Soyuz 35 swapped vehicles with the Soyuz 37 crew, which allowed for a longer stay in orbit. The mission concluded with a safe landing back on Earth on October 11, 1980, 09:49:57 UTC.
Soyuz 35 was a Soyuz spacecraft which launched on 9 April 1980 13:38 UTC. It transported two cosmonauts of EO-4 to Salyut 6. The crew was Leonid Popov and Valery Ryumin. It also ferried down two cosmonauts from EP-5.
Soyuz Details
Date of Birth: Jan. 7, 1935
Date of Death: Feb. 19, 2014
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.
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